<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum/">两数之和</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.081</td>
    </tr>
    <tr>
        <td>2</td>
        <td>146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lru-cache/">LRU缓存机制</a></td>
        <td>45.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.295</td>
    </tr>
    <tr>
        <td>3</td>
        <td>945</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-increment-to-make-array-unique/">使数组唯一的最小增量</a>
        </td>
        <td>42.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.41</td>
    </tr>
    <tr>
        <td>4</td>
        <td>54</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix/">螺旋矩阵</a></td>
        <td>38.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.209</td>
    </tr>
    <tr>
        <td>5</td>
        <td>344</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string/">反转字符串</a></td>
        <td>68.9%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.129</td>
    </tr>
    <tr>
        <td>6</td>
        <td>3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/">无重复字符的最长子串</a>
        </td>
        <td>32.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>7</td>
        <td>5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-substring/">最长回文子串</a></td>
        <td>28.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>8</td>
        <td>70</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/climbing-stairs/">爬楼梯</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.065</td>
    </tr>
    <tr>
        <td>9</td>
        <td>8</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-to-integer-atoi/">字符串转换整数 (atoi)</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>10</td>
        <td>2</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers/">两数相加</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>11</td>
        <td>20</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parentheses/">有效的括号</a></td>
        <td>40.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>12</td>
        <td>141</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle/">环形链表</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.067</td>
    </tr>
    <tr>
        <td>13</td>
        <td>191</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-1-bits/">位1的个数</a></td>
        <td>64.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.144</td>
    </tr>
    <tr>
        <td>14</td>
        <td>235</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/">二叉搜索树的最近公共祖先</a>
        </td>
        <td>62.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.176</td>
    </tr>
    <tr>
        <td>15</td>
        <td>371</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-of-two-integers/">两整数之和</a></td>
        <td>53.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.276</td>
    </tr>
    <tr>
        <td>16</td>
        <td>53</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray/">最大子序和</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.036</td>
    </tr>
    <tr>
        <td>17</td>
        <td>144</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-preorder-traversal/">二叉树的前序遍历</a></td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.084</td>
    </tr>
    <tr>
        <td>18</td>
        <td>148</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-list/">排序链表</a></td>
        <td>63.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>19</td>
        <td>268</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/missing-number/">缺失数字</a></td>
        <td>54.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.121</td>
    </tr>
    <tr>
        <td>20</td>
        <td>7</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-integer/">整数反转</a></td>
        <td>33.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>21</td>
        <td>14</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-common-prefix/">最长公共前缀</a></td>
        <td>36.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.036</td>
    </tr>
    <tr>
        <td>22</td>
        <td>33</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array/">搜索旋转排序数组</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>23</td>
        <td>206</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list/">反转链表</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.041</td>
    </tr>
    <tr>
        <td>24</td>
        <td>21</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-sorted-lists/">合并两个有序链表</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>25</td>
        <td>292</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nim-game/">Nim 游戏</a></td>
        <td>69.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.159</td>
    </tr>
    <tr>
        <td>26</td>
        <td>121</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/">买卖股票的最佳时机</a>
        </td>
        <td>52.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.03</td>
    </tr>
    <tr>
        <td>27</td>
        <td>122</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/">买卖股票的最佳时机
            II</a></td>
        <td>57.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.035</td>
    </tr>
    <tr>
        <td>28</td>
        <td>226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/invert-binary-tree/">翻转二叉树</a></td>
        <td>73.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>29</td>
        <td>234</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-linked-list/">回文链表</a></td>
        <td>40.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.057</td>
    </tr>
    <tr>
        <td>30</td>
        <td>11</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/container-with-most-water/">盛最多水的容器</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.027</td>
    </tr>
    <tr>
        <td>31</td>
        <td>92</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list-ii/">反转链表 II</a></td>
        <td>48.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.088</td>
    </tr>
    <tr>
        <td>32</td>
        <td>4</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-of-two-sorted-arrays/">寻找两个有序数组的中位数</a>
        </td>
        <td>36.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>33</td>
        <td>15</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum/">三数之和</a></td>
        <td>25.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>34</td>
        <td>13</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/roman-to-integer/">罗马数字转整数</a></td>
        <td>60.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.029</td>
    </tr>
    <tr>
        <td>35</td>
        <td>19</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/">删除链表的倒数第N个节点</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.03</td>
    </tr>
    <tr>
        <td>36</td>
        <td>136</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number/">只出现一次的数字</a></td>
        <td>65.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>37</td>
        <td>143</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorder-list/">重排链表</a></td>
        <td>54.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.159</td>
    </tr>
    <tr>
        <td>38</td>
        <td>160</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-linked-lists/">相交链表</a></td>
        <td>52.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.047</td>
    </tr>
    <tr>
        <td>39</td>
        <td>171</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-number/">Excel表列序号</a></td>
        <td>66.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.111</td>
    </tr>
    <tr>
        <td>40</td>
        <td>179</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-number/">最大数</a></td>
        <td>35.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.142</td>
    </tr>
    <tr>
        <td>41</td>
        <td>209</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-size-subarray-sum/">长度最小的子数组</a></td>
        <td>41.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.116</td>
    </tr>
    <tr>
        <td>42</td>
        <td>219</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate-ii/">存在重复元素 II</a></td>
        <td>37.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.092</td>
    </tr>
    <tr>
        <td>43</td>
        <td>232</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-queue-using-stacks/">用栈实现队列</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>44</td>
        <td>237</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-linked-list/">删除链表中的节点</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.052</td>
    </tr>
    <tr>
        <td>45</td>
        <td>318</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-of-word-lengths/">最大单词长度乘积</a>
        </td>
        <td>61.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.459</td>
    </tr>
    <tr>
        <td>46</td>
        <td>321</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/create-maximum-number/">拼接最大数</a></td>
        <td>26.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.696</td>
    </tr>
    <tr>
        <td>47</td>
        <td>74</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix/">搜索二维矩阵</a></td>
        <td>37.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.046</td>
    </tr>
    <tr>
        <td>48</td>
        <td>180</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/consecutive-numbers/">连续出现的数字</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.104</td>
    </tr>
    <tr>
        <td>49</td>
        <td>277</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-celebrity/">搜寻名人</a></td>
        <td>57.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.446</td>
    </tr>
    <tr>
        <td>50</td>
        <td>378</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix/">有序矩阵中第K小的元素</a>
        </td>
        <td>57.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.11</td>
    </tr>
    <tr>
        <td>51</td>
        <td>63</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths-ii/">不同路径 II</a></td>
        <td>32.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.035</td>
    </tr>
    <tr>
        <td>52</td>
        <td>192</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-frequency/">统计词频</a></td>
        <td>33.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.241</td>
    </tr>
    <tr>
        <td>53</td>
        <td>236</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/">二叉树的最近公共祖先</a>
        </td>
        <td>59.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.038</td>
    </tr>
    <tr>
        <td>54</td>
        <td>632</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/smallest-range-covering-elements-from-k-lists/">最小区间</a>
        </td>
        <td>33.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.551</td>
    </tr>
    <tr>
        <td>55</td>
        <td>152</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-subarray/">乘积最大子序列</a></td>
        <td>37.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.041</td>
    </tr>
    <tr>
        <td>56</td>
        <td>233</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-digit-one/">数字 1 的个数</a></td>
        <td>32.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.243</td>
    </tr>
    <tr>
        <td>57</td>
        <td>165</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/compare-version-numbers/">比较版本号</a></td>
        <td>38.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.107</td>
    </tr>
    <tr>
        <td>58</td>
        <td>25</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-nodes-in-k-group/">K 个一组翻转链表</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>59</td>
        <td>34</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">在排序数组中查找元素的第一个和最后一个位置</a>
        </td>
        <td>38.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.024</td>
    </tr>
    <tr>
        <td>60</td>
        <td>42</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water/">接雨水</a></td>
        <td>48.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>61</td>
        <td>55</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game/">跳跃游戏</a></td>
        <td>38.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>62</td>
        <td>64</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-path-sum/">最小路径和</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.026</td>
    </tr>
    <tr>
        <td>63</td>
        <td>384</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shuffle-an-array/">打乱数组</a></td>
        <td>49.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>64</td>
        <td>692</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-words/">前K个高频单词</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.185</td>
    </tr>
    <tr>
        <td>65</td>
        <td>470</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-rand10-using-rand7/">用 Rand7() 实现
            Rand10()</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.304</td>
    </tr>
    <tr>
        <td>66</td>
        <td>9</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-number/">回文数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.01</td>
    </tr>
    <tr>
        <td>67</td>
        <td>50</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/powx-n/">Pow(x, n)</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>68</td>
        <td>821</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-distance-to-a-character/">字符的最短距离</a>
        </td>
        <td>66.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.215</td>
    </tr>
    <tr>
        <td>69</td>
        <td>509</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fibonacci-number/">斐波那契数</a></td>
        <td>66.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>70</td>
        <td>102</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal/">二叉树的层次遍历</a>
        </td>
        <td>60.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>71</td>
        <td>210</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-ii/">课程表 II</a></td>
        <td>46.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.101</td>
    </tr>
    <tr>
        <td>72</td>
        <td>673</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence/">最长递增子序列的个数</a>
        </td>
        <td>33.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.225</td>
    </tr>
    <tr>
        <td>73</td>
        <td>12</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-roman/">整数转罗马数字</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.027</td>
    </tr>
    <tr>
        <td>74</td>
        <td>22</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-parentheses/">括号生成</a></td>
        <td>73.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>75</td>
        <td>26</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/">删除排序数组中的重复项</a></td>
        <td>48.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.01</td>
    </tr>
    <tr>
        <td>76</td>
        <td>27</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-element/">移除元素</a></td>
        <td>57.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.014</td>
    </tr>
    <tr>
        <td>77</td>
        <td>30</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words/">串联所有单词的子串</a>
        </td>
        <td>29.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.078</td>
    </tr>
    <tr>
        <td>78</td>
        <td>32</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-valid-parentheses/">最长有效括号</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>79</td>
        <td>38</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-and-say/">外观数列</a></td>
        <td>54.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.027</td>
    </tr>
    <tr>
        <td>80</td>
        <td>39</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum/">组合总和</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>81</td>
        <td>41</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-missing-positive/">缺失的第一个正数</a></td>
        <td>37.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.048</td>
    </tr>
    <tr>
        <td>82</td>
        <td>44</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wildcard-matching/">通配符匹配</a></td>
        <td>26.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.072</td>
    </tr>
    <tr>
        <td>83</td>
        <td>47</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations-ii/">全排列 II</a></td>
        <td>56.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>84</td>
        <td>51</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens/">N皇后</a></td>
        <td>67.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>85</td>
        <td>56</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-intervals/">合并区间</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.03</td>
    </tr>
    <tr>
        <td>86</td>
        <td>62</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths/">不同路径</a></td>
        <td>58.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>87</td>
        <td>67</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-binary/">二进制求和</a></td>
        <td>52.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.028</td>
    </tr>
    <tr>
        <td>88</td>
        <td>77</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combinations/">组合</a></td>
        <td>72.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>89</td>
        <td>85</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-rectangle/">最大矩形</a></td>
        <td>44.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.078</td>
    </tr>
    <tr>
        <td>90</td>
        <td>88</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-sorted-array/">合并两个有序数组</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.017</td>
    </tr>
    <tr>
        <td>91</td>
        <td>89</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/gray-code/">格雷编码</a></td>
        <td>67.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>92</td>
        <td>90</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subsets-ii/">子集 II</a></td>
        <td>58.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.062</td>
    </tr>
    <tr>
        <td>93</td>
        <td>96</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-binary-search-trees/">不同的二叉搜索树</a></td>
        <td>64.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>94</td>
        <td>101</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/symmetric-tree/">对称二叉树</a></td>
        <td>49.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.018</td>
    </tr>
    <tr>
        <td>95</td>
        <td>104</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/">二叉树的最大深度</a></td>
        <td>72.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.015</td>
    </tr>
    <tr>
        <td>96</td>
        <td>106</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/">从中序与后序遍历序列构造二叉树</a>
        </td>
        <td>66.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.062</td>
    </tr>
    <tr>
        <td>97</td>
        <td>110</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/balanced-binary-tree/">平衡二叉树</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.032</td>
    </tr>
    <tr>
        <td>98</td>
        <td>118</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle/">杨辉三角</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.029</td>
    </tr>
    <tr>
        <td>99</td>
        <td>120</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/triangle/">三角形最小路径和</a></td>
        <td>63.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>100</td>
        <td>139</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break/">单词拆分</a></td>
        <td>43.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.043</td>
    </tr>
    <tr>
        <td>101</td>
        <td>140</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break-ii/">单词拆分 II</a></td>
        <td>37.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.122</td>
    </tr>
    <tr>
        <td>102</td>
        <td>142</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle-ii/">环形链表 II</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>103</td>
        <td>145</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-postorder-traversal/">二叉树的后序遍历</a>
        </td>
        <td>70.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.037</td>
    </tr>
    <tr>
        <td>104</td>
        <td>147</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insertion-sort-list/">对链表进行插入排序</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.081</td>
    </tr>
    <tr>
        <td>105</td>
        <td>149</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-points-on-a-line/">直线上最多的点数</a></td>
        <td>20.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.166</td>
    </tr>
    <tr>
        <td>106</td>
        <td>151</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string/">翻转字符串里的单词</a></td>
        <td>35.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>107</td>
        <td>155</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-stack/">最小栈</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>108</td>
        <td>164</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-gap/">最大间距</a></td>
        <td>54.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>109</td>
        <td>175</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combine-two-tables/">组合两个表</a></td>
        <td>71.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.027</td>
    </tr>
    <tr>
        <td>110</td>
        <td>181</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/employees-earning-more-than-their-managers/">超过经理收入的员工</a>
        </td>
        <td>68.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>111</td>
        <td>194</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/transpose-file/">转置文件</a></td>
        <td>33.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.444</td>
    </tr>
    <tr>
        <td>112</td>
        <td>195</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/tenth-line/">第十行</a></td>
        <td>43.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.154</td>
    </tr>
    <tr>
        <td>113</td>
        <td>196</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-duplicate-emails/">删除重复的电子邮箱</a></td>
        <td>59.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.087</td>
    </tr>
    <tr>
        <td>114</td>
        <td>197</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rising-temperature/">上升的温度</a></td>
        <td>49.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.093</td>
    </tr>
    <tr>
        <td>115</td>
        <td>198</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber/">打家劫舍</a></td>
        <td>42.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.022</td>
    </tr>
    <tr>
        <td>116</td>
        <td>215</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-an-array/">数组中的第K个最大元素</a>
        </td>
        <td>60.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.025</td>
    </tr>
    <tr>
        <td>117</td>
        <td>217</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate/">存在重复元素</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.023</td>
    </tr>
    <tr>
        <td>118</td>
        <td>221</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-square/">最大正方形</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.063</td>
    </tr>
    <tr>
        <td>119</td>
        <td>231</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-two/">2的幂</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.046</td>
    </tr>
    <tr>
        <td>120</td>
        <td>240</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix-ii/">搜索二维矩阵 II</a></td>
        <td>38.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.046</td>
    </tr>
    <tr>
        <td>121</td>
        <td>241</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/different-ways-to-add-parentheses/">为运算表达式设计优先级</a></td>
        <td>70.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    <tr>
        <td>122</td>
        <td>257</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-paths/">二叉树的所有路径</a></td>
        <td>61.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>123</td>
        <td>258</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-digits/">各位相加</a></td>
        <td>65.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>124</td>
        <td>263</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ugly-number/">丑数</a></td>
        <td>48.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.063</td>
    </tr>
    <tr>
        <td>125</td>
        <td>274</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/h-index/">H指数</a></td>
        <td>37.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>126</td>
        <td>286</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/walls-and-gates/">墙与门</a></td>
        <td>44.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.385</td>
    </tr>
    <tr>
        <td>127</td>
        <td>287</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-duplicate-number/">寻找重复数</a></td>
        <td>62.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.045</td>
    </tr>
    <tr>
        <td>128</td>
        <td>290</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-pattern/">单词规律</a></td>
        <td>41.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.09</td>
    </tr>
    <tr>
        <td>129</td>
        <td>293</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flip-game/">翻转游戏</a></td>
        <td>69.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.516</td>
    </tr>
    <tr>
        <td>130</td>
        <td>303</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-immutable/">区域和检索 - 数组不可变</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.063</td>
    </tr>
    <tr>
        <td>131</td>
        <td>315</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/">计算右侧小于当前元素的个数</a>
        </td>
        <td>37.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.121</td>
    </tr>
    <tr>
        <td>132</td>
        <td>336</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-pairs/">回文对</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.391</td>
    </tr>
    <tr>
        <td>133</td>
        <td>338</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/counting-bits/">比特位计数</a></td>
        <td>74.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>134</td>
        <td>355</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-twitter/">设计推特</a></td>
        <td>36.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.376</td>
    </tr>
    <tr>
        <td>135</td>
        <td>377</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum-iv/">组合总和 Ⅳ</a></td>
        <td>41.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.159</td>
    </tr>
    <tr>
        <td>136</td>
        <td>404</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-of-left-leaves/">左叶子之和</a></td>
        <td>53.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.08</td>
    </tr>
    <tr>
        <td>137</td>
        <td>535</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-and-decode-tinyurl/">TinyURL 的加密与解密</a>
        </td>
        <td>81.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.248</td>
    </tr>
    <tr>
        <td>138</td>
        <td>561</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/array-partition-i/">数组拆分 I</a></td>
        <td>69.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>139</td>
        <td>709</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/to-lower-case/">转换成小写字母</a></td>
        <td>75.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.066</td>
    </tr>
    <tr>
        <td>140</td>
        <td>61</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-list/">旋转链表</a></td>
        <td>39.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.038</td>
    </tr>
    </tbody>
</table>